# MyDATEV vs Byrthday

The clearest difference is in-app purchases: MyDATEV at none against Byrthday's 4. MyDATEV also leads on ads (none vs shown). Byrthday's advantage is update cadence (every 10 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Byrthday sells 4 in-app purchases, starting at $0.99 per month. MyDATEV asks for nothing beyond the download.

MyDATEV ships an update every 6 weeks, Byrthday every 10 days. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | MyDATEV | Byrthday |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 89 MB | 72 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [DATEV eG](https://appshunter.io/developer/353479704) | [Silvio Lindstedt](https://appshunter.io/developer/1894663856) |

## What reviewers say

### MyDATEV

[App page](https://appshunter.io/ios/app/mydatev/id6757741069)

Securely connect with your tax advisor to exchange documents, communicate directly, and manage tasks and approvals. Upload receipts and access other DATEV cloud applications seamlessly.

**Highlights:** Secure login with DATEV account, Push notifications for updates, Direct chat communication, Task management and deadlines, Document review and approvals, Upload receipts and documents

**Features:** macOS Compatibility

**In-app purchases:** none


### Byrthday

[App page](https://appshunter.io/ios/app/byrthday/id6819082841)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus monthly | $0.99 | per month |
| Plus yearly | $8.99 | per year |
| Byrthday Plus (no AI) | $6.99 | one-time |
| Plus lifetime | $24.99 | one-time |


## Frequently asked questions

### Is MyDATEV free?

MyDATEV is free to download, with no in-app purchases.

### Is Byrthday free?

Byrthday is free to download, with in-app purchases available.

### Do MyDATEV or Byrthday have ads?

Byrthday shows ads; MyDATEV does not.

### Which is updated more often, MyDATEV or Byrthday?

MyDATEV ships an update every 6 weeks, and Byrthday every 10 days. Most recently, MyDATEV was updated on November 6, 2026 and Byrthday on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*